90137140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{237203}}^1$

素因数の和:237231

約数の個数: 24

約数和(自身を含む): 199251360

約数和(自身を除く): 109114220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 237203, 474406, 948812, 1186015, 2372030, 4506857, 4744060, 9013714, 18027428, 22534285, 45068570, 90137140]

約数ペア:

[(1, 90137140), (2, 45068570), (4, 22534285), (5, 18027428), (10, 9013714), (19, 4744060), (20, 4506857), (38, 2372030), (76, 1186015), (95, 948812), (190, 474406), (380, 237203)]